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Browse by Category: Main > Tools & Hardware
Class Information
Number: 81/20
Name: Tools > Hammer
Description: Tool including a head having an impacting surface and a lever arm having an end adapted to carry the head.










Sub-classes under this class:

Class Number Class Name Patents
81/23 Having nail placer 44
81/26 Having plural striking faces 39
81/25 Having replaceable striking face 40
81/22 Having shock absorbing means 100
81/21 Having work protector surrounding face 12
81/27 Rod encircling type 24


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8601916 Multifunctional hand tool Dec. 10, 2013
8534643 Welded hammer Sep. 17, 2013
8495929 Lead connection and alignment tool Jul. 30, 2013
8438953 Hammering tool with buffer design May. 14, 2013
8424845 Hammer and crowbar with adjustable claw Apr. 23, 2013
8387487 Tactical entry tool Mar. 5, 2013
8359949 Hammer head and handle assembly Jan. 29, 2013
8292266 Hammer with leverage No. II Oct. 23, 2012
8261634 Large strike face hammer Sep. 11, 2012
8177192 Hammer with concealed adjustable fulcrum May. 15, 2012
8141458 Hammer head with recessed traction striking surface Mar. 27, 2012
8117702 Demolition tool Feb. 21, 2012
8113091 Hammer with a socket hole blocking device Feb. 14, 2012
8113488 Hammer and hammer head having a frontal extractor Feb. 14, 2012
8104379 Graphite / titanium hammer Jan. 31, 2012
8100035 Tool with slideable weight Jan. 24, 2012
8047099 Large strike face hammer Nov. 1, 2011
8028881 Nailer strike plate Oct. 4, 2011
7950308 Hammer for breaking polycrystalline silicon May. 31, 2011
7900538 Packable battering ram Mar. 8, 2011
7836534 Multi-purpose hand held tool Nov. 23, 2010
7730632 Combination tape measure and hammer Jun. 8, 2010
7665390 Hammer having shock absorbing handle Feb. 23, 2010
7467572 Hammer with mallet head and measuring handle Dec. 23, 2008
7438279 Tool for pulling nails and other protrusions Oct. 21, 2008
7409894 Hammer head ratchet device Aug. 12, 2008
7404346 Striking tool with weight forward head Jul. 29, 2008
7350440 Framing hammer assembly Apr. 1, 2008
7347123 Hammer with extendable handle Mar. 25, 2008
7334502 Multi-purpose hand tool method & apparatus Feb. 26, 2008
7320266 Shock dampening counterbalanced handle Jan. 22, 2008
7299717 Hammering tool with adjustable nail-drawing device Nov. 27, 2007
7272995 Jig hammer Sep. 25, 2007
7225544 Ice axe for mountaineering with adjustable grip Jun. 5, 2007
7181994 Handle saver Feb. 27, 2007
7178428 Impact instrument Feb. 20, 2007
7174809 Hammer Feb. 13, 2007
7174808 Hand tool Feb. 13, 2007
7143459 Ice axe or hammer axe with hollow shaft equipped with a stop Dec. 5, 2006
7143667 Striking or pulling tool with a split head Dec. 5, 2006
7134363 Deadblow hammer Nov. 14, 2006
7096761 Ergonomic tool handle and related hammer system Aug. 29, 2006
7080577 Marker tag for tree trunks and an applicator hammer for the application of same to tree trunks Jul. 25, 2006
7080576 Multi-accessory hammer with rapid release change mechanism Jul. 25, 2006
7066052 Hammer having enhanced strength Jun. 27, 2006
6986504 Tool for pulling nails and other protrusions Jan. 17, 2006
6983674 Device and method for delivering an impact Jan. 10, 2006
6976406 Striking tool with weight forward head Dec. 20, 2005
6961985 Method and apparatus for joining a handle to a hammer head Nov. 8, 2005
6959465 Hammer Nov. 1, 2005

1 2 3 4










 
 
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